| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] in [adj] | 270 |
|
| 2 | [vb infin] [to-vb] in [adj] | 267 |
|
| 3 | could [vb infin] [to-vb] [adj] | 129 |
|
| 4 | could [vb infin] [to-vb] in | 31 |
|
